FHWA NBI 2024 Inspection record Public-domain dataset

CH 31 ELLIS RD

Carrying CH 31 ELLIS RD over BUCKEYE BR

3.8MI E ST JACOB, Madison, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
33 t Inventory load rating

Bridge Snapshot: CH 31 ELLIS RD

The CH 31 ELLIS RD bridge in Madison, Illinois carries CH 31 ELLIS RD over BUCKEYE BR. It was built in 1972, making it 54 years old today. The structure is built primarily of steel and spans 2 sections, stretching 10.9 meters (36 feet) end to end. Daily traffic averages 1,200 vehicles, placing it in the moderately-trafficked tier of Illinois bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 33.4 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How CH 31 ELLIS RD compares

▼ 1.2
Load rating vs Illinois average (34.6 t)
Top 33%
Higher load rating than 67% of Illinois bridges
543
Bridges in Madison · 35 in Poor condition
CH 31 ELLIS RD 33.4 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
72.5 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
28.0
Essentiality /15
14.5
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Culvert
4/9
Poor (1–4)
Inventory Load Rating
33.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1972
Material
Steel
Number of Spans
2
Structure Length
10.9 m (36 ft)
Owner
County Highway Agency
Avg Daily Traffic
1,200 vehicles/day
Structure Number
060319100000000

How to read this record

CH 31 ELLIS RD is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare CH 31 ELLIS RD against other structures in Madison and across Illinois. Illinois bridges
  • Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge

Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.

Frequently Asked Questions

What do the condition ratings mean for CH 31 ELLIS RD?

CH 31 ELLIS RD in Madison, Illinois on the FHWA's 0–9 scale.

How often is CH 31 ELLIS RD inspected?

CH 31 ELLIS RD's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 1,200 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. CH 31 ELLIS RD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for CH 31 ELLIS RD?

CH 31 ELLIS RD has an NBI inventory load rating of 33.4 metric tons.

Who is responsible for maintaining CH 31 ELLIS RD?

CH 31 ELLIS RD is owned and maintained by County Highway Agency.

How old is CH 31 ELLIS RD and does age affect safety?

CH 31 ELLIS RD was built in 1972, making it 54 years old.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.